Finding the Fourth Proportional to 58,630.72, 80,905.56 and 34,429.12

Step by Step Solution

1. Step 1: Write the proportion equation
   58,630.72 : 80,905.56 = 34,429.12 : x
2. Step 2: Convert to fraction form
   58,630.72/80,905.56 = 34,429.12/x
3. Step 3: Cross multiply
   58,630.72x = 80,905.56 × 34,429.12
4. Step 4: Simplify right side
   58,630.72x = 2,785,507,233.91
5. Step 5: Solve for x
   x = 2,785,507,233.91/58,630.72
6. Step 6: Final answer
   x = 47,509.35